Ukraine’s opposition got a boost in its struggle to wrest power from President Viktor Yanukovych as Western nations consider new aid for the east European country after Russia suspended its bailout program last week.

Outside a Moscow stadium one night in 2006, deputy central bank chief Andrei Kozlov was walking to his car after playing soccer when two men opened fire, pumping bullets into his head and neck and killing his driver.

Arseniy Yatsenyuk won the support of Ukrainian protesters in Kiev to lead an interim cabinet and avert a default after the nation’s bloodiest unrest since World War II as the U.S. said it was working on a $1 billion rescue.

President Barack Obama canceled next month’s summit with Russian President Vladimir Putin in Moscow after Russia’s refusal to turn over fugitive Edward Snowden, exposing one of the biggest rifts between the two military powers since the end of the Cold War.